m^2-7m-10=0

Simple and best practice solution for m^2-7m-10=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for m^2-7m-10=0 equation:


Simplifying
m2 + -7m + -10 = 0

Reorder the terms:
-10 + -7m + m2 = 0

Solving
-10 + -7m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -7m + 10 + m2 = 0 + 10

Reorder the terms:
-10 + 10 + -7m + m2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -7m + m2 = 0 + 10
-7m + m2 = 0 + 10

Combine like terms: 0 + 10 = 10
-7m + m2 = 10

The m term is -7m.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7m + 12.25 + m2 = 10 + 12.25

Reorder the terms:
12.25 + -7m + m2 = 10 + 12.25

Combine like terms: 10 + 12.25 = 22.25
12.25 + -7m + m2 = 22.25

Factor a perfect square on the left side:
(m + -3.5)(m + -3.5) = 22.25

Calculate the square root of the right side: 4.716990566

Break this problem into two subproblems by setting 
(m + -3.5) equal to 4.716990566 and -4.716990566.

Subproblem 1

m + -3.5 = 4.716990566 Simplifying m + -3.5 = 4.716990566 Reorder the terms: -3.5 + m = 4.716990566 Solving -3.5 + m = 4.716990566 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + m = 4.716990566 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + m = 4.716990566 + 3.5 m = 4.716990566 + 3.5 Combine like terms: 4.716990566 + 3.5 = 8.216990566 m = 8.216990566 Simplifying m = 8.216990566

Subproblem 2

m + -3.5 = -4.716990566 Simplifying m + -3.5 = -4.716990566 Reorder the terms: -3.5 + m = -4.716990566 Solving -3.5 + m = -4.716990566 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + m = -4.716990566 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + m = -4.716990566 + 3.5 m = -4.716990566 + 3.5 Combine like terms: -4.716990566 + 3.5 = -1.216990566 m = -1.216990566 Simplifying m = -1.216990566

Solution

The solution to the problem is based on the solutions from the subproblems. m = {8.216990566, -1.216990566}

See similar equations:

| (3^8)(4^10)(8^-5)(3^2)/(3^12)(4^7)(8^-3)(3^-2) | | [x-4]=6 | | 3x-7z=28 | | 13Y-7=6y-21 | | 124300=4x | | 7y+1=15 | | y=3(1.26)x | | x-149=235 | | 4485=210+19x | | 1/15x=13 | | 90=1/2x | | 20m^2+40m+4=0 | | Log(4)(6x-5)=1 | | X(X-5)-X(X+2)+7X= | | -4=x/5 | | m/-324 | | x/-2=-40 | | 3y^2-y-24=0 | | 9*(2/3)=6 | | 9x(2/3) | | Sqrt(20d)+5sqrt(125d)-2sqrt(45d)= | | sqrt(48x+32)= | | 7x-10y-8y+11x+6= | | 20=(1400-q)/49 | | 5(5)=4(3.14)r^2 | | 17+(-n)=160 | | 9x+12=3x+6 | | -x^2-2x-1=2x+3 | | X^2-100X+1600= | | 3*cos(2y)*cot(2y)=8 | | 6(8y-3)+8(3y-6)= | | 3t^2+8t+16=0 |

Equations solver categories